Package com.illumon.iris.db.v2.iterators

Class ColumnIterator<TYPE>

java.lang.Object

com.illumon.iris.db.v2.iterators.ColumnIterator<TYPE>

All Implemented Interfaces:

Iterator<TYPE>

Direct Known Subclasses:

ByteColumnIterator, CharacterColumnIterator, DoubleColumnIterator, FloatColumnIterator, IntegerColumnIterator, LongColumnIterator, ShortColumnIterator

public class ColumnIterator<TYPE>
extends Object
implements Iterator<TYPE>

Iteration support for objects (including boxed primitives) contained with a ColumnSource.

Field Summary

Fields

Modifier and Type	Field	Description
protected final ColumnSource<TYPE>	columnSource
protected final ReadOnlyIndex.Iterator	indexIterator

Constructor Summary

Constructors

Constructor	Description
ColumnIterator(Table table, String columnName)	Create a new iterator.
ColumnIterator(Index index, ColumnSource<TYPE> columnSource)	Create a new iterator.

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()
TYPE	next()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Field Details

columnSource

protected final ColumnSource<TYPE> columnSource

indexIterator

protected final ReadOnlyIndex.Iterator indexIterator

Constructor Details

ColumnIterator

public ColumnIterator(@NotNull
 Index index,
 @NotNull
 ColumnSource<TYPE> columnSource)

Create a new iterator.

Parameters:

index - index for the column source

columnSource - column source

ColumnIterator

public ColumnIterator(@NotNull
 Table table,
 @NotNull
 String columnName)

Create a new iterator.

Parameters:

table - table to create the iterator from

columnName - column name for iteration

Method Details

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<TYPE>

next

public TYPE next()

Specified by:

next in interface Iterator<TYPE>